Mingzhi L
Software Engineer at Rexpand
Champaign, Illinois, United States
Summary
👤
Senior🎓
Top SchoolMingzhi L is a software engineer with nine years of experience and advanced training from UIUC, blending backend architecture, ML integration, and cloud-native delivery. He has shipped production AI services and web platforms—most recently building LangGraph multi-agent services and cutting OpenAI token costs by ~70% through deterministic caching and standardized Pydantic contracts. Comfortable across MySQL, MongoDB, Spring Boot APIs, Typesense-powered search, and CDK-driven AWS stacks, he focuses on measurable improvements like higher CTRs and faster data retrieval. Based in Champaign, IL, he pairs disciplined engineering (one-command provisioning and stateless JSON payloads) with a steady growth mindset summed up by his GitHub motto: “Progress 1 percent per day.”
9 years of coding experience
1 year of employment as a software developer
Master's degree, Computer Science, Master's degree, Computer Science at University of Illinois Urbana-Champaign
Github Skills (22)
grpc6
csharp6
dotnet6
go-language6
ubuntu6
golang5
microservices5
go5
rpc5
http4
proto4
debian4
dotnet-core4
wine4
python3
Programming languages (4)
Github contributions (5)
mingzhi198/mingzhi198.github.io
Dec 2020 - Dec 2021
Contributions:89 pushes, 1 branch in 1 year
mingzhi198/limingzhi.github.io
Dec 2020 - Dec 2020
💎 🐳 A super customizable Jekyll theme for personal site, team site, blog, project, documentation, etc.
Contributions:12 commits, 13 pushes in 1 day
jekyll-theme
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.